Reply To: Different between a Evinrude 3hp and 4hp carburetor?

[cajuncook1]

Here are the photos of the 1968 Evinrude 3hp carburetor bowl on the left and the 1970’s Johnson 4hp carburetor bowl on the right.

1968 Evinrude 3hp carburetor bowl dimensions
– height of carburetor bowl 1.3545 inches
– circumference of carburetor bowl. 1.806 inches

1970’s Johnson 4hp carburetor bowl dimensions
– height of carburetor bowl 1.3575 inches
– circumference of carburetor bowl. 1.800 inches